Winter Storm Warnings
December 17 2025
* WHAT...Snow expected. Snow accumulations between 6 and 12 inches,
locally up to 18 inches. Winds gusting as high as 45 mph.
* WHERE...Stevens Pass, Stehekin, and Holden Village.
* WHEN...Until 4 AM PST Friday.
* IMPACTS...Travel could be very difficult. Strong winds could cause
tree damage.
* ADDITIONAL DETAILS...Snow levels will increase Thursday morning to
early afternoon, which could bring a brief period of freezing rain
before snow levels drop again through the evening. Confidence is
low for freezing rain, but the potential exists for light
accumulations.
* WHAT...Snow expected above 2000 feet. Total snow accumulations
between 2 and 4 inches, except up 6 to 9 inches toward the upper
Methow Valley including Mazama. Winds gusting as high as 35 mph.
* WHERE...Mazama, Loup Loup Pass, and Conconully.
* WHEN...From 10 AM to 10 PM PST Thursday.
* IMPACTS...Travel could be very difficult.
* ADDITIONAL DETAILS...Snow levels will increase Thursday morning to
early afternoon, which could bring a brief period of freezing rain
around the Wenatchee Valley. Confidence is low for freezing rain,
but the potential exists for light accumulations.
* WHAT...Snow expected above 3000 feet. Total snow accumulations
between 4 and 9 inches. Winds gusting as high as 45 mph.
* WHERE...Mullan, Dobson Pass, and Lookout Pass.
* WHEN...From noon Thursday to 10 AM PST Friday.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Thursday evening and Friday morning commutes.
Gusty winds could bring down tree branches.
* WHAT...Snow expected. Total snow accumulations up to 5 to 10
inches. Winds may gust up to 35 mph this afternoon.
* WHERE...Cascades of Snohomish and Northern King Counties, Cascades
of Whatcom and Skagit Counties, Cascades of Pierce and Lewis
Counties, and Cascades of Southern King County.
* WHEN...Until 10 AM PST Thursday.
* IMPACTS...Travel could be very difficult. Strong winds could cause
tree damage.
* ADDITIONAL DETAILS...Snow levels will increase Thursday morning to
around 6000 feet, which could bring a brief period of freezing
rain. Confidence is low for freezing rain, but the potential
exists for light accumulations.
...The Flood Warning is extended for the following rivers in
Washington...
Nooksack River At Ferndale affecting Whatcom County.
...The Flood Warning continues for the following rivers in
Washington...
Skagit River Near Concrete affecting Skagit County.
Skagit River Near Mt. Vernon affecting Skagit County.
.Rain will return tomorrow but it will not be enough to cause river
level to return above flood stage. Dam operations to maintain a safe
flood pool for area dams could maintain elevated flow levels or they
could raise or lower levels downstream of the dams. Dam regulation
can change rapidly.
* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.
* WHERE...Skagit River near Mt. Vernon.
* WHEN...Until early Friday morning.
* IMPACTS...At 30.0 feet, the Skagit River will flood from Sedro
Woolley downstream through Mount Vernon to the mouth. Flood waters
will inundate some low-lying roads...farmlands and residential
areas. This level for this location on the Skagit corresponds to a
phase 3 flood in the Skagit County flood system.
* ADDITIONAL DETAILS...
- At 3:15 PM PST Wednesday the stage was 30.8 feet.
- Flood stage is 28.0 feet.
- Forecast...The river will rise to 31.0 feet late this
evening. It will then fall below flood stage tomorrow
afternoon. It will briefly rise again but remain below flood
stage.
- http://www.weather.gov/safety/flood
...The Flood Warning is extended for the following rivers in
Washington...
Nooksack River At Ferndale affecting Whatcom County.
...The Flood Warning continues for the following rivers in
Washington...
Skagit River Near Concrete affecting Skagit County.
Skagit River Near Mt. Vernon affecting Skagit County.
.Rain will return tomorrow but it will not be enough to cause river
level to return above flood stage. Dam operations to maintain a safe
flood pool for area dams could maintain elevated flow levels or they
could raise or lower levels downstream of the dams. Dam regulation
can change rapidly.
* WHAT...Minor flooding is forecast.
* WHERE...Nooksack River at Ferndale.
* WHEN...Until early tomorrow afternoon.
* IMPACTS...At 18.0 feet, the river begins overtopping its banks
within the City of Ferndale flooding low-lying areas within the
City and low pasture lands along the river from near Ferndale
downstream to the mouth.
* ADDITIONAL DETAILS...
- At 3:30 PM PST Wednesday the stage was 17.0 feet.
- Flood stage is 18.0 feet.
- Forecast...The river is expected to rise above flood stage
this evening to a crest of 18.5 feet late this evening. It
will then fall below flood stage late tonight.
- http://www.weather.gov/safety/flood
...The Flood Warning is extended for the following rivers in
Washington...
Nooksack River At Ferndale affecting Whatcom County.
...The Flood Warning continues for the following rivers in
Washington...
Skagit River Near Concrete affecting Skagit County.
Skagit River Near Mt. Vernon affecting Skagit County.
.Rain will return tomorrow but it will not be enough to cause river
level to return above flood stage. Dam operations to maintain a safe
flood pool for area dams could maintain elevated flow levels or they
could raise or lower levels downstream of the dams. Dam regulation
can change rapidly.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Skagit River near Concrete.
* WHEN...Until late tomorrow morning.
* IMPACTS...At 28.0 feet, the Skagit River will flood low areas and
sections of roads along the river from Rockport downstream to
Sedro Woolley. This level for this location on the Skagit
corresponds to a Phase 3 flood in the Skagit County flood system.
* ADDITIONAL DETAILS...
- At 3:30 PM PST Wednesday the stage was 28.7 feet.
- Flood stage is 28.0 feet.
- Forecast...The river is falling and will fall below flood
stage late this evening.Further rises are expected but it
will remain below flood stage.
- Flood History...This crest compares to a previous crest of
29.0 feet on 06/19/1937.
- http://www.weather.gov/safety/flood
...The Flood Warning is extended for the following rivers in
Washington...
Cedar River Near Landsburg affecting King County.
...The Flood Warning continues for the following rivers in
Washington...
Green River Near Auburn affecting King County.
White River At R Street Bridge affecting Pierce and King Counties.
.Dam operations to maintain a safe flood pool for area dams could
maintain elevated flow levels or they could raise or lower levels
downstream of the dams. Dam regulation can change rapidly.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Green River near Auburn.
* WHEN...Until further notice.
* IMPACTS...At 9,000.0 cfs, the Green River will flood low areas of
the middle Green River valley with water over SE Green Valley Rd.
Some backwater inundation is possible in lower Mill Creek basin
between Auburn and Kent. A flow of 9000 cfs feet on the Green
River corresponds to a phase 3 flood in the King County flood
system.
* ADDITIONAL DETAILS...
- At 1:45 PM PST Wednesday the flow was 9,550.0 cfs.
- Flood flow is 9,000.0 cfs.
- Forecast...The river is expected to rise to a crest of 9,900
cfs late tonight then slowly drift lower over the next
several days but remain above flood flow.
- http://www.weather.gov/safety/flood
...The Flood Warning is extended for the following rivers in
Washington...
Cedar River Near Landsburg affecting King County.
...The Flood Warning continues for the following rivers in
Washington...
Green River Near Auburn affecting King County.
White River At R Street Bridge affecting Pierce and King Counties.
.Dam operations to maintain a safe flood pool for area dams could
maintain elevated flow levels or they could raise or lower levels
downstream of the dams. Dam regulation can change rapidly.
* WHAT...Minor flooding is occurring and moderate flooding is
forecast.
* WHERE...White River at R Street Bridge.
* WHEN...Until further notice.
* IMPACTS...At 10,000.0 cfs, River flooding may occur upstream of
the A Street Bridge in the City of Auburn. River levels will
likely be up against the temporary flood protection barriers, with
flooding likely at Government Canal and Butte Avenue in the City
of Pacific and downstream of the Stewart Street Bridge in the City
of Sumner.
* ADDITIONAL DETAILS...
- At 1:45 PM PST Wednesday the flow was 8,140.0 cfs.
- Flood flow is 7,500.0 cfs.
- Forecast...The river is expected to stay steady or slowly
rise to 8500 cfs Friday morning, remaining above flood flow.
Additional rises are likely thereafter but the timing is yet
to be determined.
- http://www.weather.gov/safety/flood
...Observed flooding changed from Minor to Moderate severity for the
following rivers in Washington...
Cedar River At Renton affecting King County.
.Dam operations to maintain a safe flood pool for area dams could
maintain elevated flow levels or they could raise or lower levels
downstream of the dams. Dam regulation can change rapidly.
* WHAT...Moderate flooding is occurring and minor flooding is
forecast.
* WHERE...Cedar River at Renton.
* WHEN...Until further notice.
* IMPACTS...At 14.5 feet, the Cedar River will flood areas of Renton
including the Renton Airport.
* ADDITIONAL DETAILS...
- At 2:15 PM PST Wednesday the stage was 14.5 feet.
- Flood stage is 13.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 2:15 PM PST Wednesday was 14.8 feet.
- Forecast...The river is expected to fluctuate near 14.0 to
14.5 feet through tomorrow, then slowly begin to recede for
the next several days.
- http://www.weather.gov/safety/flood
...The Flood Warning is extended for the following rivers in
Washington...
Cedar River Near Landsburg affecting King County.
...The Flood Warning continues for the following rivers in
Washington...
Green River Near Auburn affecting King County.
White River At R Street Bridge affecting Pierce and King Counties.
.Dam operations to maintain a safe flood pool for area dams could
maintain elevated flow levels or they could raise or lower levels
downstream of the dams. Dam regulation can change rapidly.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Cedar River near Landsburg.
* WHEN...Until further notice.
* IMPACTS...At 5.7 feet, the Cedar River will cause flooding from
Landsburg downstream through Maplewood. Swift waters will flood
roads and some residential areas, especially in Maple Valley.
Flooding threatens Beyers Road. A stage of 5.7 feet on the Cedar
River corresponds roughly to a phase 4 flood in the King County
flood system.
* ADDITIONAL DETAILS...
- At 2:45 PM PST Wednesday the stage was 6.1 feet.
- Flood stage is 5.7 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 2:45 PM PST Wednesday was 6.5 feet.
- Forecast...The river is expected to remain above flood stage
for the next several days while slowly receding.
- http://www.weather.gov/safety/flood
Most rivers have crested or will crest by tomorrow, however a few
rivers could still have renewed flooding.
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of northwest and west central Washington,
including the following counties, in northwest Washington, Grays
Harbor and Skagit. In west central Washington, King, Pierce and
Thurston.
* WHEN...Through Friday afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Creeks and streams may rise out of their banks. Flooding may occur
in poor drainage and urban areas. Storm drains and ditches may
become clogged with debris. Area creeks and streams are running
high and could flood with more heavy rain.
* ADDITIONAL DETAILS...
- With rivers running high and with another rain event
tomorrow, uncertainty in how much rain, the snow fall level,
and snow melt, leaves the possibility of further flooding.
This includes the Chehalis, Cedar, White, Green, and Skagit
Rivers.
- Dam operations in managin the flood waters in reservoir
will also river levelsmultiple times over the next few days.
- http://www.weather.gov/safety/flood
...The National Weather Service in Seattle WA has issued a Flood
Warning for the following rivers in Washington...
Skookumchuck River Near Bucoda affecting Thurston County.
.Rainfall yesterday and overnight will drive the Skookumchuck River
above flood stage today.
* WHAT...Minor flooding is forecast.
* WHERE...Skookumchuck River near Bucoda.
* WHEN...Until early Saturday morning.
* IMPACTS...At 211.5 feet, the Skookumchuck River in Thurston County
will flood a few roads and low pasture lands near Bucoda.
* ADDITIONAL DETAILS...
- At 12:45 PM PST Wednesday the stage was 210.5 feet.
- Flood stage is 211.5 feet.
- Forecast...The river will rise above flood stage late this
afternoon to 211.9 feet late this evening. It will then fall
below flood stage just after midnight. It will rise again to
above flood stage Friday morning to 212.0 feet Friday
afternoon. It will then fall below flood stage late Friday
evening.
- .
- http://www.weather.gov/safety/flood
...The Flood Warning is extended for the following rivers in
Washington...
Cowlitz River At Randle affecting Lewis County.
...The Flood Warning continues for the following rivers in
Washington...
Skokomish River At Potlatch affecting Mason County.
Cowlitz River Below Mayfield Dam affecting Lewis County.
.Rainfall yesterday and overnight is driving area rivers back up
with new rounds of flooding occurring or upcoming.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Cowlitz River at Randle.
* WHEN...From this morning to early Saturday morning.
* IMPACTS...At 18.0 feet, the Cowlitz River will cause minor
flooding from the vicinity of Randle downstream through Riffe
Lake...covering nearby farm lands and several roads.
* ADDITIONAL DETAILS...
- At 9:45 AM PST Wednesday the stage was 18.3 feet.
- Flood stage is 18.0 feet.
- Forecast...The river will rise to 19.9 feet late this
afternoon. It will then fall below flood stage just after
midnight tonight. It will rise above flood stage Friday
morning to 18.5 feet late Friday morning. It will then fall
below flood stage again Friday afternoon and continue to
fall.
- http://www.weather.gov/safety/flood
...The Flood Warning is extended for the following rivers in
Washington...
Cowlitz River At Randle affecting Lewis County.
...The Flood Warning continues for the following rivers in
Washington...
Skokomish River At Potlatch affecting Mason County.
Cowlitz River Below Mayfield Dam affecting Lewis County.
.Rainfall yesterday and overnight is driving area rivers back up
with new rounds of flooding occurring or upcoming.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Cowlitz River below Mayfield Dam.
* WHEN...Until further notice.
* IMPACTS...At 25,000.0 cfs, the Cowlitz River will flood the reach
from Mayfield Dam downstream through Toledo. Flood waters will
inundate some farmlands and several roads...mainly near Toledo.
* ADDITIONAL DETAILS...
- At 9:00 AM PST Wednesday the flow was 28,400.0 cfs.
- Flood flow is 25,000.0 cfs.
- Recent Activity...The maximum river flow in the 24 hours
ending at 11:00 PM PST Tuesday was 28,700 cfs.
- Forecast...The river is expected to remain near 29,000 cfs
into Thursday.
- http://www.weather.gov/safety/flood
...The Flood Warning is extended for the following rivers in
Washington...
Cowlitz River At Randle affecting Lewis County.
...The Flood Warning continues for the following rivers in
Washington...
Skokomish River At Potlatch affecting Mason County.
Cowlitz River Below Mayfield Dam affecting Lewis County.
.Rainfall yesterday and overnight is driving area rivers back up
with new rounds of flooding occurring or upcoming.
* WHAT...Moderate flooding is occurring and moderate flooding is
forecast. This approaches the flood of record.
* WHERE...Skokomish River at Potlatch.
* WHEN...Until further notice.
* IMPACTS...At 17.5 feet, the Skokomish River will cause moderate
flooding, with deep and quick flood waters inundating some
residential areas, many roads, and much of the farm land in the
Skokomish Valley. Inundated roads include the Skokomish Valley
road, Bourgault Road West, Purdy Cutoff Road, and Highway 106.
* ADDITIONAL DETAILS...
- At 9:30 AM PST Wednesday the stage was 17.8 feet.
- Flood stage is 16.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:30 AM PST Wednesday was 17.9 feet.
- Forecast...The river is falling slowly to 17.5 feet by
Thursday morning. It will then rise again slightly before
slowly receding.
- http://www.weather.gov/safety/flood
...The Flood Warning is extended for the following rivers in
Washington...
Snoqualmie River Near Carnation affecting King County.
Snohomish River At Snohomish affecting Snohomish County.
Snoqualmie River Near Snoqualmie Falls affecting King County.
Skykomish River Near Gold Bar affecting Snohomish County.
.Rainfall yesterday and overnight is driving area rivers back up
with new rounds of flooding occurring or upcoming.
* WHAT...Minor flooding is occurring and moderate flooding is
forecast.
* WHERE...Snoqualmie River near Carnation.
* WHEN...Until tomorrow afternoon.
* IMPACTS...At 56.0 feet, the Snoqualmie River will cause widespread
flooding from Fall City downstream through Carnation and Duvall...
inundating much of the farm land and numerous roads.
* ADDITIONAL DETAILS...
- At 7:15 AM PST Wednesday the stage was 54.2 feet.
- Flood stage is 54.0 feet.
- Forecast...The river will rise to 57.3 feet late this
afternoon. It will then fall below flood stage late tonight.
It will rise late Friday morning but crest below flood stage.
- http://www.weather.gov/safety/flood
...The Flood Warning is extended for the following rivers in
Washington...
Snoqualmie River Near Carnation affecting King County.
Snohomish River At Snohomish affecting Snohomish County.
Snoqualmie River Near Snoqualmie Falls affecting King County.
Skykomish River Near Gold Bar affecting Snohomish County.
.Rainfall yesterday and overnight is driving area rivers back up
with new rounds of flooding occurring or upcoming.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Snoqualmie River near Snoqualmie Falls.
* WHEN...Until late this evening.
* IMPACTS...At 20,000.0 cfs, the Snoqualmie River will cause
widespread flooding of pasture lands and roads along the river
from the town of Snoqualmie downstream through Fall City. Roads
that may become flooded include Fall City-Carnation...Tolt Hill...
and Novelty Flats Roads. This river level on the Snoqualmie
corresponds roughly to a phase 3 flood in the King County flood
system.
* ADDITIONAL DETAILS...
- At 8:15 AM PST Wednesday the flow was 25,100.0 cfs.
- Flood flow is 20,000.0 cfs.
- Recent Activity...The maximum river flow in the 24 hours
ending at 8:15 AM PST Wednesday was 25,200.0 cfs.
- Forecast...The river is cresting now around 25,200 cfs. It
will then fall below flood stage this afternoon and remain
below flood stage.
- http://www.weather.gov/safety/flood
...The Flood Warning is extended for the following rivers in
Washington...
Snoqualmie River Near Carnation affecting King County.
Snohomish River At Snohomish affecting Snohomish County.
Snoqualmie River Near Snoqualmie Falls affecting King County.
Skykomish River Near Gold Bar affecting Snohomish County.
.Rainfall yesterday and overnight is driving area rivers back up
with new rounds of flooding occurring or upcoming.
* WHAT...Minor flooding is occurring and moderate flooding is
forecast.
* WHERE...Snohomish River at Snohomish.
* WHEN...Until Friday morning.
* IMPACTS...At 28.0 feet, the Snohomish River will flood several
roads...including the Snohomish-Monroe highway and Riverview
Road...and low areas of the lower Snohomish valley that are not
protected by levees. A stage of 28 feet on the Snohomish River
corresponds to a Phase 3 in the Snohomish County flood program.
* ADDITIONAL DETAILS...
- At 9:00 AM PST Wednesday the stage was 26.6 feet.
- Flood stage is 25.0 feet.
- Forecast...The river is expected to rise to a crest of 28.1
feet late this evening. It will then fall below flood stage
tomorrow afternoon.
- http://www.weather.gov/safety/flood
...Forecast flooding changed from Minor to Moderate severity and
increased in duration for the following rivers in Washington...
Snohomish River Near Monroe affecting Snohomish County.
.Rainfall yesterday and overnight is driving area rivers back up
with new rounds of flooding occurring or upcoming.
* WHAT...Minor flooding is occurring and moderate flooding is
forecast.
* WHERE...Snohomish River near Monroe.
* WHEN...Until early tomorrow afternoon.
* IMPACTS...At 16.0 feet, the Snohomish River will flood several
roads and much of the low pasture land in the river valley. A
stage of 16 feet at this location corresponds to Phase 2 in the
Snohomish County Flood Warning System.
* ADDITIONAL DETAILS...
- At 8:15 AM PST Wednesday the stage was 15.2 feet.
- Flood stage is 15.0 feet.
- Forecast...The river is expected to rise to a crest of 16.8
feet late this afternoon. It will then fall below flood stage
just after midnight tonight.
- http://www.weather.gov/safety/flood
...The Flood Warning is extended for the following rivers in
Washington...
Snoqualmie River Near Carnation affecting King County.
Snohomish River At Snohomish affecting Snohomish County.
Snoqualmie River Near Snoqualmie Falls affecting King County.
Skykomish River Near Gold Bar affecting Snohomish County.
.Rainfall yesterday and overnight is driving area rivers back up
with new rounds of flooding occurring or upcoming.
* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.
* WHERE...Skykomish River near Gold Bar.
* WHEN...Until late tonight.
* IMPACTS...At 17.0 feet, the Skykomish River will cause flooding
from near Index downstream through Sultan to the Snoqualmie.
Flood waters will cover numerous roads...including Ben Howard Rd...
Index-Galena Rd and Tualco Loop Rd. Flooding in the town of
Sultan will begin. A stage of 17 feet on the Skykomish River
corresponds to a Phase 3 in the Snohomish County flood program.
* ADDITIONAL DETAILS...
- At 8:30 AM PST Wednesday the stage was 17.0 feet.
- Flood stage is 15.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 8:30 AM PST Wednesday was 18.1 feet.
- Forecast...The river crested at near 18.1 feet and is
falling. It will fall below flood stage late this afternoon
and remain below flood stage.
- http://www.weather.gov/safety/flood